Every one of those t_rds should have been tried and imprisoned for treason as soon as they set foot back in our country after going to Hanoi. Every slime who carried the enemy's flag in this country needed jail time.
How long does anyone think that WWII combatants would have stood for civilians in the rear carrying Nazi flags or doing propaganda broadcasts for the Japanese? Ain't a "1st Amendment issue" when we our own lives on the line - it's treason.
The failure to declare war makes that impossible to prosecute - and exposes your prisoners to all kinds of horrors because they aren’t covered by the Geneva Conventions.
In a legal sense the Americans were armed foreigners in someone else’s country - and that is how the North Vietnamese treated them.